Question

in cate g de magneziu se gaseste acelsi numar de atomi ca cel existent in 48g oxigen

Answer 1

Se utilizeaza relatiile:
N=niux N,Avogadro   si    niu= m/M
N,O2=N,Mg--> niu,O2=niu,Mg----> m/M,O2=m/M,Mg
48/ 32= m/24----> calculeaza m !!!!!!